/*******************************************************************************
* Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.xtext.example.arithmetics.scoping;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.xtext.example.arithmetics.arithmetics.FunctionCall;
import org.eclipse.xtext.linking.impl.DefaultLinkingService;
import org.eclipse.xtext.linking.impl.IllegalNodeException;
import org.eclipse.xtext.nodemodel.INode;
/**
* Changes the link text to contain the whole signature of a function.
*
* @author Sven Efftinge - initial contribution and API
*/
public class LinkingService extends DefaultLinkingService {
@Override
public String getCrossRefNodeAsString(INode node) throws IllegalNodeException {
String result = super.getCrossRefNodeAsString(node);
EObject element = node.getSemanticElement();
if (element instanceof FunctionCall) {
FunctionCall fc = (FunctionCall) element;
if (!fc.getArgs().isEmpty()) {
result += "(";
for(int i=0;i<fc.getArgs().size();i++) {
result+="arg"+(i+1);
if (i+1<fc.getArgs().size())
result+=",";
}
result += ")";
}
}
return result;
}
}